TS EAMCET Medical 10 May 2023 Shift 2 Paper

In Young's double slit experiment, the distance between the two slits is 0.6‌mm and the screen is placed at a distance of 125‌cm from the plane of the slits. If the wavelength of the light used is 6000‌Å, the phase difference between the interfering waves at a point 2.5‌mm on the screen from the central bright fringe is